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Unfortunately, he passed away in 2022. I loved his blog posts.

Wow, sorry to hear that. Came across his blog in 2021 and was instantly hooked. RIP

Do you know why he died? He must have been young.

From someone who apparently knew him personally^1:

> I just want to tell everyone that Gilles Castel, the incredible person that popularized this form of math note taking, has passed away. It's awesome to see that people still use his blog and keep his legacy alive. We lost him at a very young age. Thank you for this video.

On why:

> depression got the better of him.

:(

1: https://www.youtube.com/watch?v=DOtM1mrWjUo&lc=UgyBCHtOu_8bl...

Probably suicide. This is very unfortunate.

Damn, I remember reading his blog post a few years back when I was an undergraduate procrastinating on lab reports. I was instantly in awe of his writing and latex skills.

RIP Gilles

100% this.

I learned about this from the first linked post, immediately tried it and never looked back.

Wow. I wish I had known about this ...